On Tue, 13 Oct 2015 09:16:40 -0700 (PDT), Tim
wrote:

I found it on a Facebook trader/classified page. Another guy was cleaning out his shed. I could have had a 60 Merc. For the same amount but didn't know if the lower would interchange so I went with the big un.
both had burnt Pistons. Not worth a rebuild. The guys dad had them passed away, he wanted them out. His dad ran gasohol in them. Oils don't mix well with that stuff.

===

I'm not really an expert on those old Mercs but I remember a few
things from when Wayne (Clams) Canino was here. I believe he once
said that a leading cause of burned pistons was if one of the carbs
got leaned out compared to the others. He had a business rebuilding
and reselling them.